@Upgraydez The arrow on a weather map typically represents the wind direction at a particular location. It indicates the direction from which the wind is blowing. The arrow points in the direction the wind is coming from, while the length and thickness of the arrow can convey the wind speed.

@marekd the thread is 5 Years Old at stackOverflow does it help now? because a lot of discussion going on still no one find the atcual answer yet.